{"id":479,"date":"2014-12-25T09:37:57","date_gmt":"2014-12-25T01:37:57","guid":{"rendered":"http:\/\/www.xuehelp.cn\/?p=479"},"modified":"2014-12-25T09:37:57","modified_gmt":"2014-12-25T01:37:57","slug":"%e5%a6%82%e5%9b%be%ef%bc%8c%e6%a2%af%e5%bd%a2abcd%e4%b8%ad%ef%bc%8cad%e2%88%a5bc%ef%bc%8c%e2%88%a0d90%ef%bc%8e","status":"publish","type":"post","link":"http:\/\/www.xuehelp.cn\/index.php\/archives\/479","title":{"rendered":"\u5982\u56fe\uff0c\u68af\u5f62ABCD\u4e2d\uff0cAD\u2225BC\uff0c\u2220D=90\u00b0\uff0e"},"content":{"rendered":"<h2><strong><span style=\"color: #000000;\">\u5982\u56fe\uff0c\u68af\u5f62ABCD\u4e2d\uff0cAD\u2225BC\uff0c\u2220D=90\u00b0\uff0c\u4ee5AB\u4e3a\u76f4\u5f84\u7684\u2299O\u4e0eCD\u76f8\u5207\u4e8eE\uff0c\u4e0eBC\u76f8\u4ea4\u4e8eF\uff0c\u82e5AB=4\uff0cAD=1\uff0c\u5219\u56fe\u4e2d\u4e24\u9634\u5f71\u90e8\u5206\u9762\u79ef\u4e4b\u548c\u4e3a()\uff0e<\/span><\/strong><br \/>\n<img loading=\"lazy\" decoding=\"async\" alt=\"\" src=\"http:\/\/img2.7wenta.com\/upload\/wti\/20140427\/13986141304357360.png\" width=\"132\" height=\"119\" align=\"center\" \/><\/h2>\n<p><!--more-->\u89e3\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" alt=\"\" src=\"http:\/\/img2.7wenta.com\/upload\/wti\/20140427\/13986141304413928.png\" width=\"132\" height=\"119\" align=\"center\" \/>\u89e3\uff1a\u8fde\u63a5OE\uff0c\u4f5cAG\u22a5OE\u4e8e\u70b9G\uff0e<br \/>\n\u7531\u5df2\u77e5\u53ef\u77e5\uff0cOA=2\uff0cAD=1\uff0cOE=2\uff0c<br \/>\n\u2234OG=1\uff0c<br \/>\n\u2234AG=<img loading=\"lazy\" decoding=\"async\" alt=\"\" src=\"http:\/\/img2.7wenta.com\/upload\/wti\/20140427\/13986141304433009.png\" width=\"15\" height=\"18\" align=\"center\" \/>\uff0c\u2220AOE=60\u00b0\uff0c<br \/>\n\u2235\u68af\u5f62\u4e2d\u9634\u5f71\u9762\u79ef=\uff082+1\uff09\u00d7<img loading=\"lazy\" decoding=\"async\" alt=\"\" src=\"http:\/\/img2.7wenta.com\/upload\/wti\/20140427\/13986141304453745.png\" width=\"15\" height=\"18\" align=\"center\" \/>\u00f72-<img loading=\"lazy\" decoding=\"async\" alt=\"\" src=\"http:\/\/img2.7wenta.com\/upload\/wti\/20140427\/13986141304471211.png\" width=\"38\" height=\"35\" align=\"center\" \/>=<img loading=\"lazy\" decoding=\"async\" alt=\"\" src=\"http:\/\/img2.7wenta.com\/upload\/wti\/20140427\/13986141304494902.png\" width=\"23\" height=\"36\" align=\"center\" \/>&#8211;<img loading=\"lazy\" decoding=\"async\" alt=\"\" src=\"http:\/\/img2.7wenta.com\/upload\/wti\/20140427\/13986141304509973.png\" width=\"16\" height=\"35\" align=\"center\" \/>\uff1b<br \/>\n\u5c0f\u5f13\u5f62\u9634\u5f71\u9762\u79ef=<img loading=\"lazy\" decoding=\"async\" alt=\"\" src=\"http:\/\/img2.7wenta.com\/upload\/wti\/20140427\/13986141304527284.png\" width=\"38\" height=\"35\" align=\"center\" \/>-2\u00d7<img loading=\"lazy\" decoding=\"async\" alt=\"\" src=\"http:\/\/img2.7wenta.com\/upload\/wti\/20140427\/13986141304547933.png\" width=\"15\" height=\"18\" align=\"center\" \/>\u00f72=<img loading=\"lazy\" decoding=\"async\" alt=\"\" src=\"http:\/\/img2.7wenta.com\/upload\/wti\/20140427\/13986141304561155.png\" width=\"16\" height=\"35\" align=\"center\" \/>&#8211;<img loading=\"lazy\" decoding=\"async\" alt=\"\" src=\"http:\/\/img2.7wenta.com\/upload\/wti\/20140427\/13986141304587849.png\" width=\"15\" height=\"18\" align=\"center\" \/>\uff0c<br \/>\n\u2234\u4e24\u9634\u5f71\u90e8\u5206\u76f8\u52a0=<img loading=\"lazy\" decoding=\"async\" alt=\"\" src=\"http:\/\/img2.7wenta.com\/upload\/wti\/20140427\/13986141304605213.png\" width=\"16\" height=\"36\" align=\"center\" \/>\uff0e<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u56fe\uff0c\u68af\u5f62ABCD\u4e2d\uff0cAD\u2225BC\uff0c\u2220D=90\u00b0\uff0c\u4ee5AB\u4e3a\u76f4\u5f84\u7684\u2299O\u4e0eCD\u76f8\u5207\u4e8eE\uff0c\u4e0eBC\u76f8\u4ea4\u4e8eF\uff0c\u82e5AB=4\uff0c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[18],"_links":{"self":[{"href":"http:\/\/www.xuehelp.cn\/index.php\/wp-json\/wp\/v2\/posts\/479"}],"collection":[{"href":"http:\/\/www.xuehelp.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.xuehelp.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.xuehelp.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.xuehelp.cn\/index.php\/wp-json\/wp\/v2\/comments?post=479"}],"version-history":[{"count":1,"href":"http:\/\/www.xuehelp.cn\/index.php\/wp-json\/wp\/v2\/posts\/479\/revisions"}],"predecessor-version":[{"id":480,"href":"http:\/\/www.xuehelp.cn\/index.php\/wp-json\/wp\/v2\/posts\/479\/revisions\/480"}],"wp:attachment":[{"href":"http:\/\/www.xuehelp.cn\/index.php\/wp-json\/wp\/v2\/media?parent=479"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.xuehelp.cn\/index.php\/wp-json\/wp\/v2\/categories?post=479"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.xuehelp.cn\/index.php\/wp-json\/wp\/v2\/tags?post=479"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}